UiPath compatible with program develop using PowerBuilder?

Hi all, does anyone use UiPath with program developed by PowerBuilder? I tried but it seems like cannot recognize any control on the PowerBuilder screen, and the error are at below:
15:11:06.4214 Error {“message”:“Attach Window ‘mstsc.exe PowerLock’ : Cannot find the UI element corresponding to this selector: ”,“level”:“Error”,“timeStamp”:“2017-10-03T15:11:06.4214223+08:00”,“windowsIdentity”:“ALPHA\TanJihHaur”,“processName”:“Test1”,“processVersion”:“1.0.6485.16169”,“fileName”:“SequenceDiagramTest1”,“jobId”:“a95e5140-5d37-4f63-b6c5-78f995cf0b44”,“robotName”:“ALPHA\TANJIHHAUR”}